protected void drlStatus_SelectedIndexChanged(object sender, EventArgs e) { bool status = bool.Parse(drlStatus.SelectedValue.ToString()); orBUS = new OrderBUS(); this.dtlOrder.DataSource = orBUS.tblOrder_GetByStatus(status); this.dtlOrder.DataBind(); if (orBUS.tblOrder_GetByStatus(status).Rows.Count > 0) { for (int i = 0; i < orBUS.tblOrder_GetByStatus(status).Rows.Count; i++) { Label lblStatus = (Label)dtlOrder.Items[i].FindControl("lblStatus"); if (orBUS.tblOrder_GetByStatus(status).Rows[i]["Status"].ToString() == "True") { lblStatus.Text = "Đã giao hàng"; } else { lblStatus.Text = "Chưa giao hàng"; } } } }